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Blockchain Technology is moving beyond the hype and literally knocking on every industry to enable disruption.

2019 is poised to be the year when Blockchain gains early adoption from leading conglomerates & incumbents.

The revolutionary potential of bitcoin’s underlying technology is the sexiest topic in markets around the globe.

Just put up a simple search on Google Trends and you can witness the spark in interest with this technology in recent times.

According to the industry expercts, the number one issue facing the blockchain industry today is a lack of talent, a declaration backed up by statements from the firm’s peers.

“And the demand is quickly increasing. Sometimes they get five job offers a day.” Kennaadded.

Globally, 7,000 to 8,000 people can develop for the blockchain with various levels of proficiency.

“Their ranks could grow to 100,000 in 18 to 24 months if more industries move from testing to deployment”, said William Mougayar, an investor.

To help you get started early in the emerging field, we’ve compiled an ultimate guide to Best Online Blockchain Course and MOOCs.

If you plan to go ahead and dive into it, make a schedule. Don’t do it all in a day.

Remember, the motive is not to just gobble whatever’s being thrown at you, but to understand how such a pioneering technology can drive value-based innovation. You certainly need to invest time and discipline.

Before starting the blockchain you must get all the fundamentals knowledge of blockchain and the priancles of working the blockchain.

Learn Basics of Blockchain Technology

Here are the links to learn quick and in a fun way all about Blockchain

Basics Free Step by Step Course on Blockchain

This is one of the my favorite as it teaches you the inner working of cryptographic system and how to use it in a real world applications.

The couse begins with the most simple way of explanation as how two people who have shared a secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems.

The second half of the course discusses public-key techniques that let two parties generate a shared secret key. Throughout the course participants will be exposed to many exciting open problems in the field and work on fun (optional) programming projects. At the end you will have a skill of CryptographyCryptographic AttacksPublic-Key CryptographySymmetric-Key Algorithm.

In this course you will be learning synthesize your own blockchain solutions also gain an in-depth understanding of the specific mechanics of Bitcoin. Understand Bitcoin’s real-life applications and learn how to attack and destroy Bitcoin, Ethereum, smart contracts and Dapps, and alternatives to Bitcoin’s Proof-of-Work consensus algorithm. In this couse they will also teach Enterprise-level blockchain implementations and understand the scaling struggles of blockchain and potential solutions. The regulation of cryptocurrencies and its implications for anonymity, and what blockchain means for the future.

In this course you will learn basic properties and intent of centralized anddecentralized currency and an in-depth understanding of Bitcoin from the ground up, including – Identity, Transactions, Record Keeping, and Consensus.

The roots of Bitcoin in the Cypherpunk movement and Libertarian ideals, and the revolutionary significance of Bitcoin as opposed to some of its early predecessors.

Also you will be learning the properties behind the second largest blockchain platform, Ethereum, including the Ethereum Virtual Machine and the idea of Turing completeness, the key protocol differences between Bitcoin and Ethereum, the use cases of Ethereum.

This couse is more than enough for learning the fundamentals of blockchain and the current status of blockchain technology, potential applications in Financial Services, Logistics, Healthcare, Energy, and IoT, and next steps regarding its deployment in your organization are discussed.

Introduction to Cryptocurrency and Blockchain

After taking this course, you will gain access to our Bitcoin/Blockchain community. This network consists of enthusiasts, entrepreneurs, experts and investors interested in this technology. Whether you want to get a job in this industry or start your own mining system, this community can provide you with all the knowledge and resources you need.

Advance Courses on Blockchain

Learn how to bulid your first blockchain

Learn key Blockchain concepts, intuition and practical training to get you quickly up to speed with all things Crypto and Blockchain related. Covering:

Module 1: How to build a Blockchain – we’ll start at the very beginning

Module 2: How to create a Cryptocurrency – the next step of your journey

Module 3: How to create a Smart Contract – Let’s cross the finish line

Build Blockchain and Cryptocurrency from scratch

Code your own Cryprocurrency on Ethereum from Udemy

Blockchain for business-Introduction to Hyperledger Blockchain Technology from Coursera

This couse is well designed for non technical background gys and busness men too. In this course you will learn business blockchain and distributed ledger technologies. You will gain knowledge of current Hyperledger projects and cross industry uses cases. Also, you will learn to contribute to the open sourse hyperledger projects.

Before we get started let us remove your few myths all about Blockchain. Blockchain is not a bitcoin but it is a technology behind the bitcoin. Hence Bitcoin is the digital token and blockchain is the ledger technology to keep track of bitcoin data. So you can’t have bitcoin without blockchain but you can have a blockchain without bitcoins.

Blockchain Architecture

Now let’s understand the behind the process of how blockchain works step by step.

A Block

A blockchain is nothing but a chain of one or more numbers of blocks in which all the information is stored in it. For example, in blockchain a bitcoin block stores the data about sender, receiver and the number of bitcoins to be transferred. Also to keep in note that the first block is called Genesis Block and all other blocks keep getting connected behind it.

Contents of a Block

Each block has

A-Data

A Hash and

Hash of the previous block.

Understanding SHA256- Hash

Each block has a hash which is like a fingerprint and its always unique just like a fingerprint. It helps miners to identify a block and all of its contents. So once the block is created and any changes are done in a block then it leads to change the Hash identity.

For example, we have a chain of 3 blocks, while the first block has no previous data stored in it. The block 2 contains the hash of the first block and the block 3 contains the hash of 2nd block. So these techniques make blockchain much secure.

Proof Of Work

Hashes are an excellent mechanism to prevent tempering but computers these days are high-speed and can calculate hundreds of thousands of hashes per second. In a matter of a few minutes, an attacker can tamper with a block, and then recalculate all the hashes of other blocks to make the blockchain valid again.

To avoid the issue, blockchains use the concept of Proof-of-Work. It is a mechanism which slows down the creation of the new blocks.

A proof-of-work is a computational problem that takes certain to effort to solve. But the time required to verify the results of the computational problem is very less compared to the effort it takes to solve the computational problem itself.

In the case of Bitcoin, it takes almost 10 minutes to calculate the required proof-of-work to add a new block to the chain. Considering our example, if a hacker would to change data in Block 2, he would need to perform proof of work (which would take 10 minutes) and only then make changes in Block 3 and all the succeeding blocks.

This kind of machine makes it quite tough to tamper with the blocks so even if you tamper with even a single block, you will need to recalculate the proof-of-work for all the following blocks. Thus, hashing and proof-of-work mechanism make a blockchain secure.

Distributed P2P Network

However, there is one more method which is used by blockchains to secure themselves, and that’s by being distributed. Instead of using a central entity to manage the chain, Blockchains use a distributed peer-peer network, and everyone is allowed to join. When someone enters this network, he will get the full copy of the blockchain. Each computer is called a node.

Let’s see what happens when any user creates a new block. This new block is sent to all the users on the network. Each node needs to verify the block to make sure that it hasn’t been altered. After complete checking, each node adds this block to their blockchain.

All these nodes in this network create a consensus. They agree about what blocks are valid and which are not. Nodes in the network will reject blocks that are tampered with.

So, to successfully tamper with a blockchain

You will need to tamper with all blocks on the chain

Redo the proof-of-work for each block

Take control of greater than 50% of the peer-to-peer network.

After doing all these, your tampered block become accepted by everyone else. This is next to an impossible task. Hence, Blockchains are so secure.

How Blockchain Transaction Works?

Step 1. Some person requests a transaction. The transaction could be involved cryptocurrency, contracts, records or other information.

Step 2. The requested transaction is broadcasted to a P2P network with the help of nodes.

Step 3. The network of nodes validates the transaction and the user’s status with the help of known algorithms.

Step 4. Once the transaction is complete the new block is then added to the existing blockchain. In such a way that is permanent and unalterable.

Why do we need Blockchain?

Here, are some reasons why Blockchain technology has become so popular.

Resilience: Blockchains is often replicated architecture. The chain is still operated by most nodes in the event of a massive attack against the system.

Time reduction: In the financial industry, blockchain can play a vital role by allowing the quicker settlement of trades as it does not need a lengthy process of verification, settlement, and clearance because a single version of agreed-upon data of the shared ledger is available between all stack holders.

Reliability: Blockchain certifies and verifies the identities of the interested parties. This removes double records, reducing rates and accelerates transactions.

Unchangeable transactions: By registering transactions in chronological order, Blockchain certifies the unalterability, of all operations which means when any new block has been added to the chain of ledgers, it cannot be removed or modified.

Fraud prevention: The concepts of shared information and consensus prevent possible losses due to fraud or embezzlement. In logistics-based industries, blockchain as a monitoring mechanism act to reduce costs.

Security: Attacking a traditional database is the bringing down of a specific target. With the help of Distributed Ledger Technology, each party holds a copy of the original chain, so the system remains operative, even the large number of other nodes fall.

Transparency: Changes to public blockchains are publicly viewable to everyone. This offers greater transparency, and all transactions are immutable.

Collaboration – Allows parties to transact directly with each other without the need for mediating third parties.

Decentralized: There are standards rules on how every node exchanges the blockchain information. This method ensures that all transactions are validated, and all valid transactions are added one by one.

Blockchain versions

Blockchain 1.0: Currency

The implementation of DLT (distributed ledger technology) led to its first and obvious application: cryptocurrencies. This allows financial transactions based on blockchain technology. It is used in currency and payments. Bitcoin is the most prominent example in this segment.

Blockchain 2.0: Smart Contracts

The new key concepts are Smart Contracts, small computer programs that “live” in the blockchain. They are free computer programs that execute automatically and check conditions defined earlier like facilitation, verification or enforcement. It is used as a replacement for traditional contracts.

Blockchain 3.0: DApps:

DApps is an abbreviation of decentralized application. It has their backend code running on a decentralized peer-to-peer network. A DApp can have frontend code and user interfaces written in any language that can make a call to its backend, like traditional Apps.

Blockchain Variants

Public:

In this type of blockchains, ledgers are visible to everyone on the internet. It allows anyone to verify and add a block of transactions to the blockchain. Public networks have incentives for people to join and free for use. Anyone can use a public blockchain network.

Private:

The private blockchain is within a single organization. It allows only specific people of the organization to verify and add transaction blocks. However, everyone on the internet is generally allowed to view.

Consortium:

In this Blockchain variant, only a group of organizations can verify and add transactions. Here, the ledger can be open or restricted to select groups. Consortium blockchain is used cross-organizations. It is only controlled by pre-authorized nodes.

Blockchain Use Cases

Blockchain Technology is used widely in the different sectors as given in the following table.

Sector

Usage

Markets

Billing, monitoring and Data Transfer

Quota management in the Supply Chain Network

Government Sector

Transnational personalized governance services

Voting, propositions P2P bond,

Digitization of documents/ contracts and proof of ownership for transfers

Registry & Identify

Tele-attorney service

IP registration and exchange

Tax receipts Notary service and document registry

IOT

Agricultural & drone sensor networks

Smart home networks

Integrated smartcity.

Smart home sensors

Self-driving car

Personalized robots, robotic component

Personalized drones

Digital Assistants

Health

Data management

Universal EMR Health databanks

QS Data Commons

Big health data stream analytes

Digital health wallet Smart property

Health Token

Personal development contracts

Science & Art

Supercomputing

Crowd analysis

P2P resources

Digital mind fit services

Finance & Accounting

Digital Currency Payment

Payments & Remittance

Decartelized Capital markets using a network of the computer on the Blockchain

Inter-divisional accounting

Clearing & Trading & Derivatives

Bookkeeping

Important Real-Life Use Cases of Blockchain

Dubai: The Smart City

In the year 2016, smart Dubai office introduced the Blockchain strategy. Using this technology entrepreneurs and developers will be able to connect with investor and leading companies. The objective is to implement a blockchain-based system which favours the development of various kind of industries to make Dubai ‘the happiest city in the world.’

Incent Customer retention

Incent is CRaaS (Consumer retention as a service) based on Blockchain technology. It is a loyalty program which is based on generating token for business affiliated with its related network. In this system, blockchain is exchanged instantaneously, and it can be stored in digital portfolios of user’s phone or accessing through the browser.

Blockchain for Humanitarian Aid

In January 2017 the united nations world food program started a project called humanitarian aid. The project was developed in rural areas of the Sindh region of Pakistan. By using the Blockchain technology, beneficiaries received money, food and all type of transactions are registered on a blockchain to ensure security and transparency of this process.

]]>https://blockchain-support-number.com/blockchain-lesson-1-learn-blockchain-technology/feed/0Getting Started With Bitcoinhttps://blockchain-support-number.com/getting-started-with-bitcoin/
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Bitcoin

It is a first decentralized peer to peer payment network which is controlled by the user ad on middle authoritive is responsible in between. Bitcoin was the first practical implementation triple entry bookkeeping system in existence.Bitcoin is an innovative internet protocol that enables the value to be transferred over a communication channel. Once you have installed a bitcoin wallet on computer or mobile device, it will create your first bitcoin address and you can create more whenever you need more.Blockchain is a shared public networks on which the entire decentralized distribution peer to peer bitcoin networks relies on. All confirmed transection are included in the blockchain so that the bitcoin wallet can calculate the spendable amount and new transaction can be verified.A transection is a transfer of value between bitcoin address that get included used to digitally sign transcation to provide mathematical proof that they are valid. Bitcoin wallet keep a secret place of data called the private key. A digital signature prevents the transaction from being altered by anyone once it has been signed. All transectioin are broadcast between user and usally being to be validated and confermed by the bitcoin network within a few minutes and mostly within an hour.

Who Created Bitcoin?

The first bitcoin specification and its proof was first published on 2009 by an pseudonym Satoshi Nakamoto. Since then the bitcoin community has grown expoentally ever.The founder Satoshi Nakamoto often raised unjustified concerns because of a misunderstanding of bitcoin open source nature. The bitcoin technonoly source code is available to every one and any developer can use or modify the software code.

Who controls the Bitcoin network?

As such nobody controls the bitcoin network much like no one owns the technology behind email or the internet. Bitcoin transsections are being verified by the minors which has an entire industry and Bitcoin cloud mining options. While developers are improving the software interface as they can not force anyone because its open source and any one can choose any software as per there ease.

How does Bitcoin work?

From being a user perspective, Bitcoin is nothing but a mobile or computer program that gives you an option of personal wallet and enables the user send and receive the money.All the transcation you do there is a huge behind the secen things goes on which we called Bolckchain. This chains of blocks contains every transaction ever processed which enables the user to see and verify the transections made in the past. Each transection is been protected by a digital signature based on your address therefore allowing all users to have a full control over bitcoins.Hence, there is no fraud, no identifying information and no chargebacks that could result in theft. To know or learn more about bitcoin you can consult Kraken Customer Support Number or read our regularly updated blog.

Kraken

Cryprtocurreancy is becoming popular day by day with investors, trtaders and other global parcipants across the globe. Also, with the surge of demand in cryptocurrency, the lunch of numerous crypto also tend to rise.

As we know similar to the working of a stock exchange, these crypto exchange facilitates the buying and selling of virtual currencies by retail as well as by large investors and traders.

So, out of many cryptocurrency we have one of the preminent crypto exchange call Kraken. Hence working on the lines of a stock exchange that facilitates stock trading, this san Francisco bases Kraken support is a cryptocurrency exchange where marketers can trade the various currencies.

This currency is founded back in 2011 by Jesse Powell visited the offices of now defunct cryptocurrency exchange Mt. Gox. The founder told Bloomarg News that this is when he began working on Kraken, to pick up lost marketshare if Mt. Gox were to suffer failure from a hack.

It provide easy movement of the money to and from the linked bank account of the people, and the movement of the digital crypto currency from Kraken customer support linked trading accounts.

How did the Kraken become popular?

Over the years scnce it has been launched, a lot of things have contributed to Kraken trading destination of choice for a verity of crypto markets.

Cryptocurrency stated to get attention of the world around 2014, along with Kraken coinbase exchange, and was got selected for bitcoin trading coin in Bloomberg terminal. Hence getting asses as with the leading data provider Kraken Support got polular among the bitcoin trading community.

As a state of mention Kraken shortly partnered with the global leader in chart service provider called Trading View. So this trading view keeps on adding new and new cryptocurrencies and they keep on trading on NY stock exchange.After having done first step smoothly, Kraken made a headline in 2014, when it has been selected for to support invertigation into missing bitcoin. As stated Mr.Gox, which once claimed to be one of the largest bitcoin exchange, got banckrupt in early 2014. Kraken was struggling with a huge debt pile, and 850000 lost bitcoins.

Kraken got growth in early 2015 was boosted by the launch of several new features that made cryptocurrency trading popular among the masses as well as in the popular bitcoin traders. It includes margin trading facility, the dark pool and kraken support service.

What makes Kraken Stand Out?

Kraken offers a feature rich trading platform for individual cryptocurrency enthusiasts as well as large trading firms. It contains many types of accounts that covers the needs of all kinds of traders and investors.

Karacen with its advance order and trading system tools which includes a variety of stop loss and profit taking orders types, leverage and margin bases trading, automated strategy trading and with a big amount of crypto to trade in- kraken ranks among the leading crypto exchanges.

Problems With Kraken.

In recent May 2017 Kraken along with other bitcoin Poloniex, was hit with Distributed Denial of Service attacks, which led to the huge lost in the market participation. This incident led to action lawsuit filed against Kraken.

In what ways it is different from traditionl currency.

Decentralization

Bitcoin’s most vital characteristic is that it’s suburbanised. No single establishment controls the bitcoin network. it’s maintained by a bunch of volunteer coders, Associate in Nursingd pass an open network of dedicated computers unfold round the world. This attracts people and teams that square measure uncomfortable with the management that banks or government establishments have over their cash.

Bitcoin solves the “double outlay problem” of electronic currencies (in that digital assets will simply be derived and re-used) through a resourceful combination of cryptography and economic incentives. In electronic enactment currencies, this operate is consummated by banks, which provides them management over the normal system. With bitcoin, the integrity of the transactions is maintained by a distributed and open network, in hand by no-one.

Restricted Provide

Fiat currencies (dollars, euros, yen, etc.) have a limiteless provide – central banks will issue as several as they need, and might arrange to manipulate a currency’s worth relative to others. Holders of the currency (and particularly voters with very little alternative) bear the price.

With bitcoin, on the opposite hand, the availability is tightly controlled by the underlying algorithmic rule. alittle variety of latest bitcoins trickle out each hour, and can still do therefore at a decreasing rate till a most of twenty one million has been reached. This makes bitcoin a lot of enticing as Associate in Nursing quality – in theory, if demand grows and therefore the provide remains a similar, the worth can increase.

Pseudonymity

While senders of ancient electronic payments square measure sometimes known (for verification functions, and to fits anti-money wash and alternative legislation), users of bitcoin in theory operate in semi-anonymity. Since there’s no central “validator,” users don’t got to determine themselves once causing bitcoin to a different user. once a group action request is submitted, the protocol checks all previous transactions to substantiate that the sender has the required bitcoin likewise because the authority to send them. The system doesn’t got to grasp his or her identity.

In observe, every user is known by the address of his or her case. Transactions will, with some effort, be half-track this manner. Also, enforcement has developed ways to spot users if necessary.

Furthermore, most exchanges square measure needed by law to perform identity checks on their customers before they’re allowed to shop for or sell bitcoin, facilitating in our own way that bitcoin usage are often half-track. Since the network is clear, the progress of a specific group action is visible to all or any.

This makes bitcoin not a perfect currency for criminals, terrorists or money-launderers.

Immutableness

Bitcoin transactions can’t be reversed, not like electronic enactment transactions.

This is as a result of there’s no central “adjudicator” that may say “ok, come the money.” If a group action is recorded on the network, Associate in Nursingd if quite an hour has passed, it’s not possible to switch.

While this could disquiet some, it will mean that any group action on the bitcoin network can’t be tampered with.

Quality

The smallest unit of a bitcoin is named a satoshi. it’s 100 millionth of a bitcoin (0.00000001) – at today’s costs, concerning one hundredth of a cent. this might conceivably modify microtransactions that ancient electronic cash cannot.

How does Kraken work?

Basics

As a new user, you’ll be able to start with Bitcoin while not understanding the technical details. Once you’ve got put in a Bitcoin wallet in your laptop or mobile, it’ll generate your 1st Bitcoin address and you’ll be able to produce a lot of whenever you wish one. You’ll be able to disclose your addresses to your friends in order that they’ll pay you or contrariwise. In fact, this can be pretty like however email works, except that Bitcoin addresses ought to be used just once.

You Wallet Balance (Blockchain)

The block chain could be a shared public ledger on that the whole Bitcoin network depends. All confirmed transactions are enclosed within the block chain. It permits Bitcoin wallets to calculate their disposable balance in order that new transactions are often verified thereby making certain they are truly closely-held by the spender. The integrity and also the written account order of the block chain are implemented with cryptography.

Your Transactions (Private Keys)

A dealing could be a transfer useful between Bitcoin wallets that gets enclosed within the blockchain. Bitcoin wallets keep a secret piece of information referred to as a personal key or seed, that is employed to sign transactions, providing a proof that they need come back from the owner of the case. The signature conjointly prevents the dealing from being altered by anybody once it’s been issued. All transactions ar broadcast to the network and frequently begin to be confirmed at intervals 10-20 minutes, through a method referred to as mining.

The Processing (Mining)

Mining could be a distributed agreement system that’s accustomed ensure unfinished transactions by as well as them within the block chain. It enforces a written account order within the block chain, protects the neutrality of the network, and permits completely different computers to agree on the state of the system. To be confirmed, transactions should be packed terribly} block that matches very strict cryptanalytic rules which will be verified by the network. These rules forestall previous blocks from being changed as a result of doing therefore would invalidate all the following blocks. Mining conjointly creates the equivalent of a competitive lottery that forestalls someone from simply adding new blocks consecutively to the block chain. during this means, no cluster or people will management what’s enclosed within the block chain or replace components of the block chain to roll back their own spends.